CVE-2026-31567

kernel: PM: sleep: Drop spurious WARN_ON() from pm_restore_gfp_mask()

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 24, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel. When the pm_restore_gfp_mask() function is invoked during certain hibernation processes, it can erroneously trigger a warning. This leads to the generation of spurious (false) warning messages in system logs, which may obscure legitimate issues and cause minor operational overhead.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-440 · Expected Behavior Violation